Cap for a container



FIG. 1 is a front, perspective view of a cap for a container according to the new design shown in a closed state;

FIG. 2 is rear, perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines in FIG. 8 depict unclaimed environment that forms no part of the claimed design. 

The ornamental design for a cap for a container, as shown and described. 